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Analysis

  • max time kernel
    154s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 04:28

General

  • Target

    5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe

  • Size

    75KB

  • MD5

    d786ccfa46c600bad10d33820be873a5

  • SHA1

    60fe71133bfdac76c1e4880d84bdcccc13221952

  • SHA256

    5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52

  • SHA512

    4144332c7eadf9011397c3ee0a031411b46311473a1c0d60b22ed2f03a30279d6620a77faa28da5f776bc84f699712b0384ce459d8797310d1f7e542518ad8a8

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOpa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOpa

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
    "C:\Users\Admin\AppData\Local\Temp\5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    74KB

    MD5

    f7882b14279787f0774fadb27003534f

    SHA1

    cfe7b68c1e581fb08a151ca2b82b45152f01b11b

    SHA256

    a353838e854243e223c7f56f350641f2a2d0ba787dee924d7ca686e92f3ff4ea

    SHA512

    6a1b86b0b5bd5a86e2a0453772d321d45f7ed23e5b55858566fb21ae13bca56372722b62c752b01f5d33c25b154a128bb40aef4a8486581b15fbc470be8e7158

  • C:\Windows\System\rundll32.exe

    Filesize

    81KB

    MD5

    dab1eba3f5fde86df5ab27b6025386bc

    SHA1

    643ee0a3e9504431cef525ab8ba46681661a6089

    SHA256

    d7dabc84a5c9fedef26c5fc41058ad6a17f142db7c9708e9f539e1c8d5347b17

    SHA512

    0888614237a366f37c27a075da2ae46278013ae32170cffd61587ac73a285e2ad2172796be111175fc2713028f5a1faac3b0028929594689aa74992a0d60489b

  • C:\Windows\system\rundll32.exe

    Filesize

    81KB

    MD5

    dab1eba3f5fde86df5ab27b6025386bc

    SHA1

    643ee0a3e9504431cef525ab8ba46681661a6089

    SHA256

    d7dabc84a5c9fedef26c5fc41058ad6a17f142db7c9708e9f539e1c8d5347b17

    SHA512

    0888614237a366f37c27a075da2ae46278013ae32170cffd61587ac73a285e2ad2172796be111175fc2713028f5a1faac3b0028929594689aa74992a0d60489b

  • memory/4036-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/4468-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/4468-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB